Browse our inventory of AR lower parts from trusted brands like Fortis Manufacturing, Franklin Armory, Gear Head Works, Tyrant CNC, and San Tan Tactical. ICB Firearms carries quality AR lower parts for builders and shooters who need dependable components for upgrades, repairs, maintenance, and custom rifle setups. You can narrow your search with AR braces/stocks, AR buffer system, and AR grips for fit, control, and overall handling. We also stock AR lower parts kits and AR triggers to help complete builds and keep your rifle running the way you want.
